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**Warm ups 3 + x < 12 23 > x – 15 2x – 10 > x + 6**

Solve for x. 3 + x < 12 23 > x – 15 2x – 10 > x + 6 -3.4 > 0.9 – p -3 + x > 2x – 4 . x < 9 x < 38 x > 16 p > 4.3 x < 1 x = 27

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**7-2 Solving Inequalities Using Multiplication and Division**

Objective: To solve inequalities by multiplying and dividing. Standard 5.0

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**Flip Inequality sign when:**

You need to move the letter (variable) to the left 3 < x > p You multiply or divide by a negative number -2x > 4

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**Examples – solve and graph**

3w > 27 w > 9 x < 3 12 2 x < 18 6 (12) (12)

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**Examples – solve and graph**

x > 3/4 18 < -3m 4 -24 > m m < -24 Divide by a negative – FLIP! 6 -4 3 -4 3 Multiply by a negative – FLIP! Move letter to left – FLIP!

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TOO – watch the flip!

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**Multi-step inequalities**

3n > -18 n > - 6

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Homework Pg. 396 # ODD

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7-1 – 7-2 Review Math Lab. Standard 5.0

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**Flip Inequality sign when:**

You need to move the letter (variable) to the left 3 < x > p You multiply or divide by a negative number -2x > 4

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7-1 Review

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7-2 Review

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7-3 Preview/Review

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7-3 Preview/Review

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